On 15 March , Feltrinelli was found dead at the foot of a pylon of a high-voltage power-line at Segrate , near Milan , apparently killed by his own explosives while on an operation with other GAP members. His sometime stepfather Luigi Barzini thought Giangiacomo preferred the company of men who "despised the masses as he did, who thought them something they could play with. Near the end of , Giangiacomo Feltrinelli established a publishing company in Milan, Giangiacomo Feltrinelli Editore. Giangiacomo Feltrinelli was born in into one of Italy's wealthiest families, perhaps originating in Feltre. Inge eventually became the de facto head of the publishing house as Giangiacomo came to devote himself to clandestine political activity, of which she disapproved. Anticipating assassination attempts by the CIA or Mossad , Feltrinelli assumed a nom de guerre "Osvaldo" and went underground. Stefanile, Felix, The Country of Absence. Retrieved 1 December Retrieved 19 July He died violently under mysterious circumstances. Feltrinelli in the late s. Immigrazione e traiettorie sociali in citt: